Answer:
False
Explanation:
You can't control the heart muscle or its cells: they respond to the things our body needs, such as oxygen in our leg muscles as we move, or getting rid of our waste carbon dioxide by breathing out.
B is the best answer to the question
Answer:
The effects of tobacco smoke on the respiratory system include: irritation of the trachea (windpipe) and larynx (voice box) reduced lung function and breathlessness due to swelling and narrowing of the lung airways and excess mucus in the lung passages.
Explanation: hope i could help and i hope you have a really good day :)
Get to bed earlier.Try to find out if there's a guy who likes her and have them get together. Theat'll really make her happy. Listen to quiet music when trying to sleep. It should most definitely help.
